Canvas stretcher



FIG. 1 is a top perspective view of the canvas stretcher.

FIG. 2 is a bottom perspective view of the canvas stretcher shown in analternate position of use.

FIG. 3 is a side perspective view of the canvas stretcher.

FIG. 4 is a partially exploded top perspective view of the canvasstretcher; and,

FIG. 5 is an end elevational view of the canvas stretcher.

Broken lines shown in the drawings illustrate portions of the canvasstretcher, and form no part of the claimed design.

The ornamental design for a canvas stretcher, as shown and described.